Fix typos in comment blocks

index 2ad8832..9db52a8 100644
@@ -144,7 +144,7 @@ else
   $(shell echo BR2_EXTERNAL ?= $(BR2_EXTERNAL) > $(BR2_EXTERNAL_FILE))
 endif
 
-# To make sure the the environment variable overrides the .config option,
+# To make sure that the environment variable overrides the .config option,
 # set this before including .config.
 ifneq ($(BR2_DL_DIR),)
 DL_DIR := $(BR2_DL_DIR)

index fe8c75e..a3f1f3e 100644
@@ -6,7 +6,7 @@ Zedboard information including schematics, reference designs, and manuals are
 available from http://www.zedboard.org .
 
 The U-Boot firmware for the Xilinx Zynq All Programmable SoC depends
-on some propietary code. This dependency consists of a pair of
+on some proprietary code. This dependency consists of a pair of
 files are available from the Xilinx SDK installation.
 
 You will need these files from Xilinx SDK installation to generate

@@ -53,7 +53,7 @@ the clean, or uboot-dirclean targets are made.
 
 Resulting system
 ----------------
-A FAT32 partition should be created at the beggining of the SD Card
+A FAT32 partition should be created at the beginning of the SD Card
 and the following files should be installed:
 	/boot.bin
 	/devicetree.dtb

index df991e7..0272d9e 100644
@@ -177,7 +177,7 @@ ifeq ($(BR2_TARGET_UBOOT),y)
 # we NEED a board name unless we're at make source
 ifeq ($(filter source,$(MAKECMDGOALS)),)
 ifeq ($(UBOOT_BOARD_NAME),)
-$(error NO U-Boot board name set. Check your BR2_TARGET_UBOOT_BOARDNAME setting)
+$(error No U-Boot board name set. Check your BR2_TARGET_UBOOT_BOARDNAME setting)
 endif
 
 ifeq ($(BR2_TARGET_UBOOT_CUSTOM_VERSION),y)

index c83a3f5..1da2bd5 100644
@@ -289,7 +289,7 @@ if BR2_LINUX_KERNEL_DTS_SUPPORT
 #   1) We don't want any support at all. Then the ..DTS_SUPPORT
 #      variable won't be set
 #   2) We want device tree support, so we need the user to enter
-#      the device tree name or the the path to the custom device
+#      the device tree name or the path to the custom device
 #      he uses, but the kernel abstracts this from us and only
 #      build an image that looks like a regular kernel image. In
 #      this case, we only need to derive the kernel image name from

index fc57427..8e471ee 100644
@@ -6,7 +6,7 @@ HOSTMAKE = $(MAKE)
 endif
 HOSTMAKE := $(shell which $(HOSTMAKE) || type -p $(HOSTMAKE) || echo make)
 
-# If BR2_LEVEL is 0, scale the maximum concurrency with the number of
+# If BR2_JLEVEL is 0, scale the maximum concurrency with the number of
 # CPUs. An additional job is used in order to keep processors busy
 # while waiting on I/O.
 # If the number of processors is not available, assume one.

index f77aab2..e1be085 100644
@@ -411,7 +411,7 @@ endif
 
 $(2)_REDISTRIBUTE		?= YES
 
-# When a target package is a toolchain dependency set this variable to
+# When a target package has a toolchain dependency set this variable to
 # 'NO' so the 'toolchain' dependency is not added to prevent a circular
 # dependency
 $(2)_ADD_TOOLCHAIN_DEPENDENCY	?= YES

index d37f1cd..678a7ef 100755
@@ -3,7 +3,7 @@ set -e
 
 # Helper to check a file matches its known hash
 # Call it with:
-#   $1: the path of the file containing all the the expected hashes
+#   $1: the path of the file containing all the expected hashes
 #   $2: the full path to the temporary file that was downloaded, and
 #       that is to be checked
 #   $3: the final basename of the file, to which it will be ultimately

index 95c10dc..ec59030 100644
@@ -87,7 +87,7 @@ def get_symbol_parents(item, root=None, enable_choice=False):
     """ Return the list of the item's parents. The last item of the list is
     the closest parent, the first the furthest.
 
-    :param item:          Item from which the the parent list is generated
+    :param item:          Item from which the parent list is generated
     :param root:          Root item stopping the search (not included in the
                           parent list)
     :param enable_choice: Flag enabling choices to appear in the parent list